“A one-night stay is different from a long weekend, and your thank-you gesture should reflect that,” she says. You don’t have to be extravagant. The most important criterion for a hostess gift, Post says, is that “it should be thoughtful and personal.”

Some inspiration here:

If you’re staying…

You should…

Also consider…

One night

Bring a nice beverage, treat (like a special jar of preserves, soap), small plant, or elegant stationery